Finding the Fourth Proportional to 26,542,961.12, 36,630,422.78 and 14,782,229.42
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Solution
The fourth proportional to 26,542,961.12, 36,630,422.78 and 14,782,229.42 is: 20,400,109.50
Step by Step Solution
- Step 1: Write the proportion equation
26,542,961.12 : 36,630,422.78 = 14,782,229.42 : x - Step 2: Convert to fraction form
26,542,961.12/36,630,422.78 = 14,782,229.42/x - Step 3: Cross multiply
26,542,961.12x = 36,630,422.78 × 14,782,229.42 - Step 4: Simplify right side
26,542,961.12x = 541,479,313,285,554.19 - Step 5: Solve for x
x = 541,479,313,285,554.19/26,542,961.12 - Step 6: Final answer
x = 20,400,109.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.